Lenovo has announced the Lenovo IdeaTab S2110 with an optional keyboard dock. The IdeaTab S2110 runs on a 1.5GHz Qualcomm 8060A dual core CPU, has a 10.1" 420 nit super bright IPS display, SRS sound with rich bass. The detachable keyboard docking option lets you type comfortably and enhances the battery life to an amazing 20 hours. Here are the details on this Android ICS tablet and its optional keyboard dock: